forks/gldragon: dmglrender.cpp annotate

annotate dmglrender.cpp @ 62:baccf2044289

Move the OpenGL rendering, setup etc. into a separate module/class, perhaps facilitating other types of renderers in future .. maybe.

author	Matti Hamalainen <ccr@tnsp.org>
date	Sat, 14 Dec 2019 16:39:20 +0200
parents
children	d6ffc59bb84d

rev	line source
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1 //
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2 // GLDragon - OpenGL PLY model viewer / simple benchmark
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3 // -- OpenGL rendering of DMSimpleScene
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	4 // Programmed and designed by Matti 'ccr' Hämäläinen <ccr@tnsp.org>
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	5 // (C) Copyright 2019 Tecnic Software productions (TNSP)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	6 //
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	7 // See file "COPYING" for license information.
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	8 //
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	9 #include "dmglrender.h"
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	10 #include <GL/glu.h>
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	11
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	12
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	13 #ifdef GL_GLEXT_PROTOTYPES
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	14 #define DM_GLEXT_INIT(extproctype, extprocname) /* stub */
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	15 #else
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	16 #define DM_GLEXT_INIT(extproctype, extprocname) extproctype extprocname = NULL;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	17 #include "dmglexts.h"
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	18 #undef DM_GLEXT_INIT
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	19
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	20
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	21 static void dmGLCheckExtension(const std::string &name, bool &status)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	22 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	23 if (!SDL_GL_ExtensionSupported(name.c_str()))
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	24 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	25 status = false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	26 dmMsg(" - '%s' NOT supported.\n",
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	27 name.c_str());
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	28 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	29 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	30
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	31
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	32 static void * dmGLGetProcAddr(const std::string &name)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	33 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	34 void *ptr = SDL_GL_GetProcAddress(name.c_str());
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	35
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	36 if (ptr == NULL)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	37 dmMsg(" - '%s' NOT supported.\n");
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	38
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	39 return ptr;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	40 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	41
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	42
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	43 static void * dmGLExtInit(const std::string &name, bool &status)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	44 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	45 void *ptr;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	46 bool ok =
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	47 (ptr = dmGLGetProcAddr(name)) != NULL \|\|
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	48 (ptr = dmGLGetProcAddr(name + "EXT")) != NULL \|\|
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	49 (ptr = dmGLGetProcAddr(name + "ARB")) != NULL;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	50
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	51 if (!ok)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	52 status = false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	53
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	54 return ptr;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	55 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	56 #endif
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	57
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	58
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	59 static bool dmCompileShader(const GLenum stype, const std::string &src, GLuint &shader)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	60 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	61 GLint status;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	62 const char *tmp = src.c_str();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	63
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	64 shader = glCreateShader(stype);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	65 glShaderSource(shader, 1, &tmp, 0);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	66 glCompileShader(shader);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	67
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	68 glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	69 if (status == GL_TRUE)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	70 return true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	71 else
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	72 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	73 GLint bufLen = 0;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	74 glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &bufLen);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	75
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	76 if (bufLen > 0)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	77 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	78 char *buf = new char[bufLen];
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	79 glGetShaderInfoLog(shader, bufLen, NULL, buf);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	80 dmError("Shader compilation error:\n%s\n",
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	81 buf);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	82 delete[] buf;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	83 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	84 else
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	85 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	86 dmError("Shader compilation error occured, but no error information got.\n");
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	87 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	88 return false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	89 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	90 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	91
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	92
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	93 bool DMGLSimpleRenderer::checkErrors(void)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	94 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	95 bool ok = true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	96 GLenum err;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	97 while ((err = glGetError()) != GL_NO_ERROR)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	98 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	99 dmError("OpenGL error code: 0x%x (%d)\n", err);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	100 ok = false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	101 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	102 return ok;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	103 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	104
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	105
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	106 bool DMGLSimpleRenderer::initRender1(void)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	107 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	108 // Set GL attributes
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	109 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	110 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	111 SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	112
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	113 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	114 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	115 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	116 SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	117
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	118 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	119 //SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE, 32);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	120 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	121
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	122 return true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	123 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	124
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	125
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	126 bool DMGLSimpleRenderer::initRender2(SDL_Window *window)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	127 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	128 // Create OpenGL context
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	129 if ((glContext = SDL_GL_CreateContext(window)) == NULL)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	130 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	131 dmError("Unable to create SDL OpenGL context: %s\n",
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	132 SDL_GetError());
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	133 return false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	134 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	135
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	136 // If shaders are disabled, do not initialize OpenGL extensions
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	137 if (!useShaders)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	138 return true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	139
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	140 bool status = true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	141 dmMsg("Checking for required OpenGL extensions ..\n");
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	142
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	143 #ifndef GL_GLEXT_PROTOTYPES
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	144 dmGLCheckExtension("GL_ARB_shader_objects", status);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	145 dmGLCheckExtension("GL_ARB_shading_language_100", status);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	146 dmGLCheckExtension("GL_ARB_vertex_shader", status);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	147 dmGLCheckExtension("GL_ARB_fragment_shader", status);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	148 if (!status)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	149 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	150 dmError("One or more of the required OpenGL extensions not supported.\n");
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	151 return false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	152 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	153
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	154 #define DM_GLEXT_INIT(extproctype, extprocname) \
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	155 extprocname = (extproctype) dmGLExtInit(#extprocname, status);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	156 #include "dmglexts.h"
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	157 #endif
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	158
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	159 return status;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	160 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	161
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	162
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	163 bool DMGLSimpleRenderer::initRender3(const int width, const int height)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	164 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	165 // Dump some information
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	166 dmMsg("GL_VENDOR : %s\n", glGetString(GL_VENDOR));
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	167 dmMsg("GL_RENDERER : %s\n", glGetString(GL_RENDERER));
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	168 dmMsg("GL_VERSION : %s\n", glGetString(GL_VERSION));
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	169
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	170 if (!checkErrors())
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	171 return false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	172
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	173 // Setup the window and view port
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	174 glViewport(0, 0, width, height);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	175
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	176 glMatrixMode(GL_PROJECTION);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	177 glLoadIdentity();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	178
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	179 gluPerspective(45.0f, GLfloat(width) / GLfloat(height), 0.1f, 1000.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	180
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	181 glMatrixMode(GL_MODELVIEW);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	182 glLoadIdentity();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	183
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	184 // Enable back face culling
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	185 glEnable(GL_CULL_FACE);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	186
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	187 // Enable smooth shading
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	188 glShadeModel(GL_SMOOTH);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	189
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	190 // Enable the depth buffer
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	191 glEnable(GL_DEPTH_TEST);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	192
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	193 // Enable normal rescaling
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	194 glEnable(GL_RESCALE_NORMAL);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	195
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	196 glEnable(GL_COLOR_MATERIAL);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	197
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	198 // Setup depth buffer
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	199 glClearDepth(1.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	200
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	201 // Set the depth buffer function
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	202 glDepthFunc(GL_LEQUAL);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	203
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	204 // Enable vertex and and normal arrays
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	205 glEnableClientState(GL_VERTEX_ARRAY);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	206 glEnableClientState(GL_NORMAL_ARRAY);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	207
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	208 // Set correct perspective correction
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	209 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	210
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	211 return checkErrors();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	212 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	213
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	214
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	215 bool DMGLSimpleRenderer::compileModelShaders(DMModel &model)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	216 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	217 if (useShaders)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	218 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	219 if (!dmCompileShader(GL_FRAGMENT_SHADER, model.fragShaderStr, model.id_fs) \|\|
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	220 !dmCompileShader(GL_VERTEX_SHADER, model.vertShaderStr, model.id_vs))
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	221 return false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	222
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	223 model.id_prog = glCreateProgram();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	224 glAttachShader(model.id_prog, model.id_fs);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	225 glAttachShader(model.id_prog, model.id_vs);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	226 glLinkProgram(model.id_prog);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	227 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	228 return true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	229 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	230
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	231
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	232 void DMGLSimpleRenderer::shutdownRenderer(void)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	233 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	234 if (glContext != NULL)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	235 SDL_GL_DeleteContext(glContext);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	236 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	237
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	238
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	239 void DMGLSimpleRenderer::drawModel(const DMSimpleScene &scene, const DMModel &model, const float time)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	240 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	241 int maxIndices;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	242
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	243 if (useShaders)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	244 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	245 // Enable shader program
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	246 glUseProgram(model.id_prog);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	247 glUniform1i(glGetUniformLocation(model.id_prog, "nlights"), scene.lights.size());
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	248 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	249
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	250 // Set the material of the model
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	251 glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	252 glMateriali(GL_FRONT, GL_SHININESS, model.material.shininess);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	253 glMaterialfv(GL_FRONT, GL_SPECULAR, model.material.specular.values);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	254 glColor4fv(model.material.diffuse.values);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	255
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	256 // Render the model
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	257 glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &maxIndices);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	258
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	259 // Add transforms
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	260 if (model.scaleSet)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	261 glScalef(model.scale.x, model.scale.y, model.scale.z);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	262
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	263 if (model.translateSet)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	264 glTranslatef(model.translate.x, model.translate.y, model.translate.z);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	265
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	266 if (model.rotateSet)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	267 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	268 glRotatef(model.rotate.x, 1.0f, 0.0f, 0.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	269 glRotatef(model.rotate.y, 0.0f, 1.0f, 0.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	270 glRotatef(model.rotate.z, 0.0f, 0.0f, 1.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	271 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	272
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	273 glVertexPointer(3, GL_FLOAT, 0, &model.vertices[0]);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	274 glNormalPointer( GL_FLOAT, 0, &model.normals[0]);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	275
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	276 for (int n = 0; n < model.nfaces; n += maxIndices)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	277 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	278 const int count = std::min(maxIndices, model.nfaces - n);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	279 glDrawElements(GL_TRIANGLES, count * 3, GL_UNSIGNED_INT, &model.faces[n * 3]);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	280 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	281
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	282 // Restore
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	283 if (useShaders)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	284 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	285 glUseProgram(0);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	286 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	287 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	288
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	289
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	290 void DMGLSimpleRenderer::drawScene(const DMSimpleScene &scene, const float time)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	291 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	292 glClear(GL_DEPTH_BUFFER_BIT);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	293
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	294 glMatrixMode(GL_PROJECTION);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	295 glPushMatrix();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	296 glLoadIdentity();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	297
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	298 glOrtho(0.0, 1.0, 0.0, 1.0, -1, 1);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	299
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	300 glMatrixMode(GL_MODELVIEW);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	301 glPushMatrix();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	302 glLoadIdentity();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	303
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	304 // Draw the background gradient
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	305 glDisable(GL_DEPTH_TEST);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	306 glDisable(GL_LIGHTING);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	307 glBegin(GL_QUADS);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	308 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	309 glColor3ub(0x3B, 0x3B, 0x75);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	310 glVertex2f(0.0f, 0.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	311 glVertex2f(1.0f, 0.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	312
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	313 glColor3ub(0x00, 0x00, 0x00);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	314 glVertex2f(1.0f, 1.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	315 glVertex2f(0.0f, 1.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	316 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	317 glEnd();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	318
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	319 // Restore the 3D projection
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	320 glMatrixMode(GL_PROJECTION);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	321 glPopMatrix();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	322
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	323 glMatrixMode(GL_MODELVIEW);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	324 glPopMatrix();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	325
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	326 glEnable(GL_DEPTH_TEST);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	327 glEnable(GL_LIGHTING);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	328
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	329 // Draw models
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	330 for (const DMModel &model : scene.models)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	331 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	332 glPushMatrix();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	333 drawModel(scene, model, time);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	334 glPopMatrix();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	335 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	336 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	337
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	338
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	339 bool DMGLSimpleRenderer::setupLight(const int n, DMLight &light)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	340 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	341 glEnable(GL_LIGHT0 + n);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	342 glLightfv(GL_LIGHT0 + n, GL_AMBIENT, light.color.ambient.values);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	343 glLightfv(GL_LIGHT0 + n, GL_DIFFUSE, light.color.diffuse.values);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	344 glLightfv(GL_LIGHT0 + n, GL_SPECULAR, light.color.specular.values);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	345 glLightfv(GL_LIGHT0 + n, GL_POSITION, light.position.values);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	346 return true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	347 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	348
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	349
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	350 bool DMGLSimpleRenderer::setupCamera(DMCamera &camera)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	351 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	352 (void) camera;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	353
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	354 gluLookAt(0, 0.12, 0.24, 0, 0.12, 0, 0, 1, 0);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	355 return true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	356 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	357
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	358
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	359 bool DMGLSimpleRenderer::animate(DMSimpleScene &scene, const float time)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	360 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	361 (void) scene;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	362 (void) time;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	363
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	364 glRotatef(2.0f, 0, 1, 0);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	365 return true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	366 }

Mercurial > hg > forks > gldragon

annotate dmglrender.cpp @ 62:baccf2044289